io.evitadb.api.observability.annotation.HistogramSettings Maven / Gradle / Ivy
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Module contains external API of the evitaDB.
/*
*
* _ _ ____ ____
* _____ _(_) |_ __ _| _ \| __ )
* / _ \ \ / / | __/ _` | | | | _ \
* | __/\ V /| | || (_| | |_| | |_) |
* \___| \_/ |_|\__\__,_|____/|____/
*
* Copyright (c) 2024
*
* Licensed under the Business Source License, Version 1.1 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://github.com/FgForrest/evitaDB/blob/master/LICENSE
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.evitadb.api.observability.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Detailed settings for the histogram metric.
*
* @author Jan Novotný ([email protected]), FG Forrest a.s. (c) 2024
*/
@Target({ElementType.TYPE, ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
public @interface HistogramSettings {
/**
* Unit of the histogram metric.
*/
String unit() default "milliseconds";
/**
* The lowest threshold for the metric.
*/
int start() default 1;
/**
* The multiplication factor for the next threshold (exponential by default).
*/
double factor() default 2.0;
/**
* The number of thresholds.
*/
int count() default 14;
}